发明名称 |
|
摘要 |
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申请公布号 |
JPS5237683(B2) |
申请公布日期 |
1977.09.24 |
申请号 |
JP19730011146 |
申请日期 |
1973.01.29 |
申请人 |
|
发明人 |
|
分类号 |
E21D9/06;E02F5/18 |
主分类号 |
E21D9/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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