TREA

PORTABLE AIR SUPPLY SYSTEMS, CORP., A CORP. OF CA

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  • CLEVELAND, OH, US
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  • Information Patent Grant

    Portable, self-contained breathing apparatus
    • Patent number 4,409,978
    • Issue date Oct 18, 1983
    • Portable Air Supply Systems, Corp.
    • Josef A. Bartos
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

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