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发明名称
摘要
申请公布号
DE2754520(B2)
申请公布日期
1981.03.19
申请号
DE19772754520
申请日期
1977.12.07
申请人
FOSECO TRADING AG, CHUR, GRAUBUENDEN, CH
发明人
MATSUMOTO, CHIAKI, AKASHI, HYOGO, JP;IMAI, HIROKATSU, AMAGASAKI, HYOGO, JP;OKAWA, MASARU, ASHIYASHI, HYOGO, JP
分类号
B22D41/02;(IPC1-7):B22D41/02;B22D11/10
主分类号
B22D41/02
代理机构
代理人
主权项
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