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发明名称
摘要
申请公布号
JPH0367769(B2)
申请公布日期
1991.10.24
申请号
JP19890175715
申请日期
1989.07.10
申请人
FUJI BELLOWS CO LTD
发明人
KAGEYAMA KOICHI;SUZUKI YOSHIO;SUGIZAKI KENZABURO
分类号
B21D41/04;B21D22/28
主分类号
B21D41/04
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