发明名称 Inspection door - with expanded polystyrene support for buildings sanitary installations and freezing plants
摘要 <p>Door needs no retainers and can be instantly removed and replaced. The lining, fixed to the support corresponds to the nearby wall covering, and the support includes a retainer, pref. an inlaid, buried or embedded counterweight.</p>
申请公布号 FR2095162(A5) 申请公布日期 1972.02.04
申请号 FR19710023553 申请日期 1971.06.22
申请人 RIGOTTO VALERY 发明人
分类号 A47K3/04;E04F19/08;(IPC1-7):06B5/00 主分类号 A47K3/04
代理机构 代理人
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