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经营范围
发明名称
Jointing, packing, sealing, and like materials
摘要
申请公布号
US1994412(A)
申请公布日期
1935.03.12
申请号
US19320643529
申请日期
1932.11.19
申请人
GREGORY WALSH VINCENT
发明人
WALSH VINCENT GREGORY
分类号
F16J15/10
主分类号
F16J15/10
代理机构
代理人
主权项
地址
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