夾雑物吸引方法、及び捨石マウンド内夾雑物吸引システム[ja]
发明(设计)人:
OGASAWARA TETSUYA
AIDA KAZUYA
SAEGUSA HIROYUKI
IKI NAOYUKI
HASHIMOTO TAKESHI
YAMAMOTO TAKASHI
TANAKA YOSHINORI
AIDA KAZUHIRO
申请人:
PENTA OCEAN CONSTRUCTION CO LTD
TOYO CONSTRUCTION
TOA HARBOR WORKS CO LTD
WAKACHIKU CONSTRUCTION CO LTD
AOMI CONSTRUCTION CO LTD
HONMAGUMI KK
MIRAI CONSTRUCTION CO LTD
NISSAN RINKAI CONSTRUCTION CO LTD
IPC分类号:
E02B3/06
E02B3/12