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发明名称
MANUFACTURE OF COAXIAL REDUCING PIPE
摘要
申请公布号
JPS5639131(A)
申请公布日期
1981.04.14
申请号
JP19790114904
申请日期
1979.09.07
申请人
YAMAGUCHI ICHIHEI;FUKAZAWA MASUKO
发明人
YAMAGUCHI ICHIHEI;FUKAZAWA MASUKO
分类号
B21D41/04
主分类号
B21D41/04
代理机构
代理人
主权项
地址
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