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发明名称
Gasket and packing material
摘要
申请公布号
US1863521(A)
申请公布日期
1932.06.14
申请号
US19300453184
申请日期
1930.05.17
申请人
FELT PRODUCTS MANUFACTURING CO.
发明人
CRANE JOHN T.
分类号
F16J15/12
主分类号
F16J15/12
代理机构
代理人
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地址
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