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经营范围
发明名称
ROTARY SEAL
摘要
申请公布号
CA1032978(A)
申请公布日期
1978.06.13
申请号
CA19750231445
申请日期
1975.07.14
申请人
PEDERSEN, JAMES M.
发明人
PEDERSEN, JAMES M.
分类号
主分类号
代理机构
代理人
主权项
地址
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