Title:
SOUND PROOF BUILDING BLOCK
Document Type and Number:
Japanese Patent JPS55126642
Kind Code:
A
Inventors:
OONISHI MASATAKA
Application Number:
JP3257679A
Publication Date:
September 30, 1980
Filing Date:
March 20, 1979
Export Citation:
Assignee:
TAKAHAGI RIYOUICHI
International Classes:
E01F8/00; E04B1/84; E04B1/86; E04C1/39; (IPC1-7): E01F8/00; E04B1/84; E04C1/39