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发明名称
Perfectionnement au moulage centrifuge des conduits en plâtre, ciment ou matière analogue
摘要
申请公布号
FR862518(A)
申请公布日期
1941.03.08
申请号
FRD862518
申请日期
1939.12.21
申请人
发明人
LUSSANA ANTONIO
分类号
B28B21/30;B28B21/80
主分类号
B28B21/30
代理机构
代理人
主权项
地址
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