JPS627745Y2 - - Google Patents

Info

Publication number
JPS627745Y2
JPS627745Y2 JP17028180U JP17028180U JPS627745Y2 JP S627745 Y2 JPS627745 Y2 JP S627745Y2 JP 17028180 U JP17028180 U JP 17028180U JP 17028180 U JP17028180 U JP 17028180U JP S627745 Y2 JPS627745 Y2 JP S627745Y2
Authority
JP
Japan
Prior art keywords
earth
sand
cutter
suction port
auxiliary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP17028180U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5796277U (en, 2012
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP17028180U priority Critical patent/JPS627745Y2/ja
Publication of JPS5796277U publication Critical patent/JPS5796277U/ja
Application granted granted Critical
Publication of JPS627745Y2 publication Critical patent/JPS627745Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP17028180U 1980-11-29 1980-11-29 Expired JPS627745Y2 (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17028180U JPS627745Y2 (en, 2012) 1980-11-29 1980-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17028180U JPS627745Y2 (en, 2012) 1980-11-29 1980-11-29

Publications (2)

Publication Number Publication Date
JPS5796277U JPS5796277U (en, 2012) 1982-06-14
JPS627745Y2 true JPS627745Y2 (en, 2012) 1987-02-23

Family

ID=29528726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17028180U Expired JPS627745Y2 (en, 2012) 1980-11-29 1980-11-29

Country Status (1)

Country Link
JP (1) JPS627745Y2 (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8952116B2 (en) 2009-09-29 2015-02-10 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
US9062140B2 (en) 2005-04-07 2015-06-23 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
US9090718B2 (en) 2006-03-24 2015-07-28 Nippon Shokubai Co., Ltd. Water-absorbing resin and method for manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9062140B2 (en) 2005-04-07 2015-06-23 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
US9090718B2 (en) 2006-03-24 2015-07-28 Nippon Shokubai Co., Ltd. Water-absorbing resin and method for manufacturing the same
US8952116B2 (en) 2009-09-29 2015-02-10 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof

Also Published As

Publication number Publication date
JPS5796277U (en, 2012) 1982-06-14

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