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发明名称
Procédé de moulage de corps creux et appareillage permettant sa mise en oeuvre
摘要
申请公布号
FR923152(A)
申请公布日期
1947.06.30
申请号
FRD923152
申请日期
1946.01.18
申请人
发明人
VALLARD PAUL
分类号
B22D13/00
主分类号
B22D13/00
代理机构
代理人
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地址
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