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发明名称
COLD-PRESSING METHOD FOR BLIND-HOLED PARTS
摘要
申请公布号
JPS56148433(A)
申请公布日期
1981.11.17
申请号
JP19800052009
申请日期
1980.04.17
申请人
AKAMATSU MOTOTSUGU
发明人
AKAMATSU MOTOTSUGU
分类号
B21J5/02;B21K1/70
主分类号
B21J5/02
代理机构
代理人
主权项
地址
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