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发明名称
RECIPROCATING CROSSHEAD ENGINE
摘要
申请公布号
CA336454(A)
申请公布日期
1933.10.17
申请号
CAD336454
申请日期
申请人
WILLIAM DOXFORD AND SONS
发明人
KARL OTTO KELLER
分类号
主分类号
代理机构
代理人
主权项
地址
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