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发明名称
Safety gas-valve lock
摘要
申请公布号
US1743685(A)
申请公布日期
1930.01.14
申请号
US19290331008
申请日期
1929.01.08
申请人
WHITE PLATT JOHN;EARL KRAMER ARTHUR
发明人
PLATT JOHN WHITE;KRAMER ARTHUR EARL
分类号
F16K35/02
主分类号
F16K35/02
代理机构
代理人
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地址
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