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发明名称
Ouvertures de parois en forme de tuyère
摘要
申请公布号
FR807036(A)
申请公布日期
1936.12.31
申请号
FRD807036
申请日期
1936.06.04
申请人
J. EBERSPACHER G. M. B. H.
发明人
分类号
F16L9/22
主分类号
F16L9/22
代理机构
代理人
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