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发明名称
Positionneur à double effet pour montage des troncons préfabriqués en construction navale
摘要
申请公布号
FR1141226(A)
申请公布日期
1957.08.28
申请号
FRD1141226
申请日期
1956.02.10
申请人
发明人
RAVAILLE ANDRE
分类号
B23K37/04
主分类号
B23K37/04
代理机构
代理人
主权项
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