| 发明名称 |
Portable drain cleaning apparatus |
| 摘要 |
A portable drain cleaning apparatus comprising a payout drum supporting a coil spring snake wound therein and supported for rotation on a support frame, the payout drum being detachable and replaceable with similar drums supporting different sized and configured snakes.
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| 申请公布号 |
US4916772(A) |
申请公布日期 |
1990.04.17 |
| 申请号 |
US19880256744 |
申请日期 |
1988.10.12 |
| 申请人 |
NATIONAL MANUFACTURING & SUPPLY CORPORATION |
发明人 |
RUSSELL, V. L.;CANNON, KERRY |
| 分类号 |
B08B9/04;E03F9/00 |
主分类号 |
B08B9/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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