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经营范围
发明名称
GASKET FOR PIPE COUPLINGS AND CLAMPS
摘要
申请公布号
CA533423(A)
申请公布日期
1956.11.20
申请号
CAD533423
申请日期
申请人
DRESSER INDUSTRIES
发明人
ROBERT E. BURNS;GEORGE H. PFEFFERLE
分类号
主分类号
代理机构
代理人
主权项
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