Title:
【考案の名称】裏込め用排水材
Document Type and Number:
Japanese Patent JPH072544
Kind Code:
U
Inventors:
Katsumi Oi
Application Number:
JP10588391U
Publication Date:
January 13, 1995
Filing Date:
November 27, 1991
Export Citation:
Assignee:
Takiron Co., Ltd.
International Classes:
E02B11/00; E02D29/02; E21D11/00; (IPC1-7): E02D29/02; E02B11/00
Domestic Patent References:
| JPS52151207A | 1977-12-15 | |||
| JP1137341B |