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发明名称
PISTON RING
摘要
申请公布号
CA721073(A)
申请公布日期
1965.11.09
申请号
CAD721073
申请日期
申请人
MUSKEGON PISTON RING COMPANY
发明人
DOUGLAS W. HAMM
分类号
主分类号
代理机构
代理人
主权项
地址
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