JPS61141386U - - Google Patents

Info

Publication number
JPS61141386U
JPS61141386U JP2100385U JP2100385U JPS61141386U JP S61141386 U JPS61141386 U JP S61141386U JP 2100385 U JP2100385 U JP 2100385U JP 2100385 U JP2100385 U JP 2100385U JP S61141386 U JPS61141386 U JP S61141386U
Authority
JP
Japan
Prior art keywords
continuous
length direction
shaped groove
groove
cleaning
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.)
Granted
Application number
JP2100385U
Other languages
English (en)
Japanese (ja)
Other versions
JPS644937Y2 (US20100012521A1-20100121-C00001.png
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 JP2100385U priority Critical patent/JPS644937Y2/ja
Publication of JPS61141386U publication Critical patent/JPS61141386U/ja
Application granted granted Critical
Publication of JPS644937Y2 publication Critical patent/JPS644937Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sewage (AREA)
JP2100385U 1985-02-16 1985-02-16 Expired JPS644937Y2 (US20100012521A1-20100121-C00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2100385U JPS644937Y2 (US20100012521A1-20100121-C00001.png) 1985-02-16 1985-02-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2100385U JPS644937Y2 (US20100012521A1-20100121-C00001.png) 1985-02-16 1985-02-16

Publications (2)

Publication Number Publication Date
JPS61141386U true JPS61141386U (US20100012521A1-20100121-C00001.png) 1986-09-01
JPS644937Y2 JPS644937Y2 (US20100012521A1-20100121-C00001.png) 1989-02-08

Family

ID=30512012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2100385U Expired JPS644937Y2 (US20100012521A1-20100121-C00001.png) 1985-02-16 1985-02-16

Country Status (1)

Country Link
JP (1) JPS644937Y2 (US20100012521A1-20100121-C00001.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012241507A (ja) * 2011-05-18 2012-12-10 Masatake Oshima 有底自由勾配側溝
JP2013011152A (ja) * 2011-06-29 2013-01-17 Masatake Oshima 有底自由勾配側溝
JP2013217174A (ja) * 2012-04-11 2013-10-24 Masatake Oshima 自由勾配兼用有底側溝

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012241507A (ja) * 2011-05-18 2012-12-10 Masatake Oshima 有底自由勾配側溝
JP2013011152A (ja) * 2011-06-29 2013-01-17 Masatake Oshima 有底自由勾配側溝
JP2013217174A (ja) * 2012-04-11 2013-10-24 Masatake Oshima 自由勾配兼用有底側溝

Also Published As

Publication number Publication date
JPS644937Y2 (US20100012521A1-20100121-C00001.png) 1989-02-08

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