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经营范围
发明名称
VALVE STEM SEAL
摘要
申请公布号
CA805455(A)
申请公布日期
1969.02.04
申请号
CAD805455
申请日期
申请人
DANA CORPORATION
发明人
ROBERT R. WILSON, SR.
分类号
主分类号
代理机构
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