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发明名称
METHOD OF MAKING HOLLOW PANEL
摘要
申请公布号
JPS5451965(A)
申请公布日期
1979.04.24
申请号
JP19770118414
申请日期
1977.09.30
申请人
NAT JUTAKU KENZAI
发明人
NAGASHIMA YOSHIAKI
分类号
B21D51/04;B21D51/18
主分类号
B21D51/04
代理机构
代理人
主权项
地址
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