发明名称 |
DRAINAGE METHOD |
摘要 |
|
申请公布号 |
JPS5585727(A) |
申请公布日期 |
1980.06.28 |
申请号 |
JP19780157595 |
申请日期 |
1978.12.22 |
申请人 |
MITSUI PETROCHEMICAL IND |
发明人 |
ISHII NORIO |
分类号 |
E02B11/00;E02D3/10 |
主分类号 |
E02B11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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