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经营范围
发明名称
Packing gland
摘要
申请公布号
US1902960(A)
申请公布日期
1933.03.28
申请号
US19270224349
申请日期
1927.10.06
申请人
LA BOUR HARRY E
发明人
BOUR HARRY E. LA
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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