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Improvement in or relating to an electro acoustic amplifier for its additional applications

Keywords	Acoustic Amplifier Electroacoustic Oscillator Frequency Control Transformer India
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1953
To Year / Date (YYYY-MM-DD)	1953
Identifier	NAIBHF00008141
File No./Reference No./Sheet No./Folio No.	86397
Location	BBSR-R1
File Size	11.5 MB
Pages	7
Language	English
Bundle Barcode	NAIBHB00003011
File Barcode	NAIBHF00008141
QC Certificate No.	QC_20240705BH
Bundle No.	#N/A

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- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962
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- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
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- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Improvements in or Relating to Electro-statically ...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Patent Application: Improvements in and relating t...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Application for a patent for improvements in or re...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962
- Patent Application: Regenerative Amplifier or Osci...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Frequency Modulated Crystal Controlled Oscillator
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- 1 View
- Patent Application for Improvements in or relating...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Patent Application for Improvements in or Relating...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961