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发明名称
Dispositif en vue d'empêcher la rupture par le gel de tuyaux, soupapes, récipientset analogues
摘要
申请公布号
FR911582(A)
申请公布日期
1946.07.12
申请号
FRD911582
申请日期
1945.06.19
申请人
发明人
AUGUST FREDERICK CHARLES;STONE FRANK
分类号
F16L53/00
主分类号
F16L53/00
代理机构
代理人
主权项
地址
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