JPS6211137B2 - - Google Patents

Info

Publication number
JPS6211137B2
JPS6211137B2 JP54043474A JP4347479A JPS6211137B2 JP S6211137 B2 JPS6211137 B2 JP S6211137B2 JP 54043474 A JP54043474 A JP 54043474A JP 4347479 A JP4347479 A JP 4347479A JP S6211137 B2 JPS6211137 B2 JP S6211137B2
Authority
JP
Japan
Prior art keywords
cover
protrusion
hole
ditch
head
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
JP54043474A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55136353A (en
Inventor
Hokatsu Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NASU ENJINIARINGU KK
Original Assignee
NASU ENJINIARINGU KK
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 by NASU ENJINIARINGU KK filed Critical NASU ENJINIARINGU KK
Priority to JP4347479A priority Critical patent/JPS55136353A/ja
Publication of JPS55136353A publication Critical patent/JPS55136353A/ja
Publication of JPS6211137B2 publication Critical patent/JPS6211137B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sewage (AREA)
JP4347479A 1979-04-10 1979-04-10 Lid for ditch Granted JPS55136353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4347479A JPS55136353A (en) 1979-04-10 1979-04-10 Lid for ditch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4347479A JPS55136353A (en) 1979-04-10 1979-04-10 Lid for ditch

Publications (2)

Publication Number Publication Date
JPS55136353A JPS55136353A (en) 1980-10-24
JPS6211137B2 true JPS6211137B2 (enrdf_load_stackoverflow) 1987-03-11

Family

ID=12664711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4347479A Granted JPS55136353A (en) 1979-04-10 1979-04-10 Lid for ditch

Country Status (1)

Country Link
JP (1) JPS55136353A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60195382U (ja) * 1984-06-01 1985-12-26 山下　三男 溝などの蓋板

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037234A (enrdf_load_stackoverflow) * 1973-08-02 1975-04-07

Also Published As

Publication number Publication date
JPS55136353A (en) 1980-10-24

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