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Hisashi Yamada

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3,7-Disubstituted-2 or 3-cephem-4-carboxylic acid compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
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3,7-Disubstituted-2 or 3-cephem-4-carboxylic acid compounds

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
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Amplifier circuit

Amplifiers – With semiconductor amplifying device – Including differential amplifier
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Amplifier with muting circuit

Amplifiers – Combined with automatic amplifier disabling switch means
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Apparatus for detecting a focusing state of an optical system

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
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Profile ID: LFUS-PAI-P-389159

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