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发明名称
Perfectionnements aux soupapes
摘要
申请公布号
FR830827(A)
申请公布日期
1938.08.10
申请号
FRD830827
申请日期
1937.12.15
申请人
KLEIN, SCHANZLIN & BECKER AKTIENGESELLSCHAFT
发明人
分类号
F16K1/08
主分类号
F16K1/08
代理机构
代理人
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地址
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