Rudolf Lang

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Compressor provided with an improved piston

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent

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Photographic camera with interchangeable lens

Patent

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Photographic camera with interchangeable lens

Patent

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Refrigerating agent compressor with improved pressure chamber

Receptacles – End wall structure – Joint or seam between sidewall and end wall
Reexamination Certificate

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Sound recording and reproducing apparatus using a cassette havin

Dynamic magnetic information storage or retrieval – Record medium – In container
Patent

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Profile ID: LFUS-PAI-P-701689

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