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发明名称
PISTON AND RING
摘要
申请公布号
CA502507(A)
申请公布日期
1954.05.18
申请号
CAD502507
申请日期
申请人
JOHANNES E. NEEME
发明人
JOHANNES E. NEEME
分类号
主分类号
代理机构
代理人
主权项
地址
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