Document Type and Number:
Japanese Patent JPH01136561
Kind Code:
U
Application Number:
JP2165488U
Publication Date:
September 19, 1989
Filing Date:
February 20, 1988
Export Citation:
International Classes:
E03C1/02; C02F1/28; C02F1/46; E03C1/10; F16L29/00; (IPC1-7): E03C1/10; C02F1/28; C02F1/46; E03C1/02; F16L29/00