JPS63190392U - - Google Patents

Info

Publication number
JPS63190392U
JPS63190392U JP1947088U JP1947088U JPS63190392U JP S63190392 U JPS63190392 U JP S63190392U JP 1947088 U JP1947088 U JP 1947088U JP 1947088 U JP1947088 U JP 1947088U JP S63190392 U JPS63190392 U JP S63190392U
Authority
JP
Japan
Prior art keywords
guide pipe
support
ring
support device
water
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
JP1947088U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0211518Y2 (enrdf_load_stackoverflow
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 JP1988019470U priority Critical patent/JPH0211518Y2/ja
Publication of JPS63190392U publication Critical patent/JPS63190392U/ja
Application granted granted Critical
Publication of JPH0211518Y2 publication Critical patent/JPH0211518Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1988019470U 1988-02-17 1988-02-17 Expired JPH0211518Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988019470U JPH0211518Y2 (enrdf_load_stackoverflow) 1988-02-17 1988-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988019470U JPH0211518Y2 (enrdf_load_stackoverflow) 1988-02-17 1988-02-17

Publications (2)

Publication Number Publication Date
JPS63190392U true JPS63190392U (enrdf_load_stackoverflow) 1988-12-07
JPH0211518Y2 JPH0211518Y2 (enrdf_load_stackoverflow) 1990-03-23

Family

ID=30814096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988019470U Expired JPH0211518Y2 (enrdf_load_stackoverflow) 1988-02-17 1988-02-17

Country Status (1)

Country Link
JP (1) JPH0211518Y2 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04228795A (ja) * 1990-05-10 1992-08-18 Zeniraito V:Kk スパーブイ型ボーリング櫓用沈錘
JP2002357070A (ja) * 2001-06-01 2002-12-13 Koken Boring Mach Co Ltd ポータブルドリル
JP2019105135A (ja) * 2017-12-14 2019-06-27 石井 昭良 水底作業用浮体型水中構造物

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04228795A (ja) * 1990-05-10 1992-08-18 Zeniraito V:Kk スパーブイ型ボーリング櫓用沈錘
JP2002357070A (ja) * 2001-06-01 2002-12-13 Koken Boring Mach Co Ltd ポータブルドリル
JP2019105135A (ja) * 2017-12-14 2019-06-27 石井 昭良 水底作業用浮体型水中構造物

Also Published As

Publication number Publication date
JPH0211518Y2 (enrdf_load_stackoverflow) 1990-03-23

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