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Rueckschlagventil

申请公布号:DE952047(C)

申请号:DE1953N006937

申请日期:1953.03.25

申请公布日期:1956.11.08

申请人:
NORMALAIR LIMITED

发明人:SPECK ERIC HARDY

分类号:F16K15/03

主分类号:F16K15/03

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