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发明名称
Revêtement interne pour tuyaux, en particulier les tuyaux d'échappement de moteurs à gaz
摘要
申请公布号
FR680613(A)
申请公布日期
1930.05.02
申请号
FRD680613
申请日期
1929.08.21
申请人
GUTEHOFFNUNGSHUTTE OBERHAUSEN AKTIENGESELLSCHAFT
发明人
分类号
F16L58/14
主分类号
F16L58/14
代理机构
代理人
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地址
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