Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4942694
Kind Code:
B1
More Like This:
JP3182098Aerophone
JPH062396[Name of the device] A megaphone equipped with a sound generation tool with a scale.
Application Number:
JP5537570A
Publication Date:
November 16, 1974
Filing Date:
June 26, 1970
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G10D9/00



 
Previous Patent: JPS4942693

Next Patent: JPS4942695