Title:
自由勾配Ｕ形側溝
Document Type and Number:
Japanese Patent JP6406515
Kind Code:
B2
Inventors:
Masayoshi Oshima
Application Number:
JP2015020683A
Publication Date:
October 17, 2018
Filing Date:
January 20, 2015
Export Citation:
Assignee:
Masayoshi Oshima
International Classes:
E03F5/04
Domestic Patent References:
| JP3158973U | ||||
| JP2013011152A | ||||
| JP2014159724A | ||||
| JP59035433U | ||||
| JP2002106054A | ||||
| JP2011884U | ||||
| JP2013217174A | ||||
| JP2013068063A | ||||
| JP8013598A | ||||
| JP3179974U | ||||
| JP7317130A |