发明名称 A drainage pipe section, in particular for pigsty floors.
摘要 <p>A first portion (1) of pipe section affords a large internal cavity (2) superiorly closed by a second portion (3) which is detachable and provided with pre-weakened longitudinal recesses (4). The second portion (3) superiorly comprises at least one flat external surface (6) destined to be located on a same level as that of the pigsty floor. &lt;IMAGE&gt;</p>
申请公布号 EP0622017(A2) 申请公布日期 1994.11.02
申请号 EP19940830202 申请日期 1994.04.28
申请人 LUSETTI, SERGIO 发明人 LUSETTI, SERGIO
分类号 A01K1/01;A01K1/015;(IPC1-7):A01K1/015 主分类号 A01K1/01
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