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发明名称
METHOD OF FABRICATING A HOLLOW STRUCTURE HAVING COOLING CHANNELS
摘要
申请公布号
US3692637(A)
申请公布日期
1972.09.19
申请号
USD3692637
申请日期
1969.11.24
申请人
CARL-HELMUT DEDERRA;KARL BUTTER
发明人
CARL-HELMUT DEDERRA;KARL BUTTER
分类号
B64G1/58;F02K9/64
主分类号
B64G1/58
代理机构
代理人
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