JPS61146598U - - Google Patents

Info

Publication number
JPS61146598U
JPS61146598U JP2145486U JP2145486U JPS61146598U JP S61146598 U JPS61146598 U JP S61146598U JP 2145486 U JP2145486 U JP 2145486U JP 2145486 U JP2145486 U JP 2145486U JP S61146598 U JPS61146598 U JP S61146598U
Authority
JP
Japan
Prior art keywords
cylindrical wall
cylindrical
excavating blade
cylindrical space
main body
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.)
Pending
Application number
JP2145486U
Other languages
English (en)
Japanese (ja)
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 JP2145486U priority Critical patent/JPS61146598U/ja
Publication of JPS61146598U publication Critical patent/JPS61146598U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP2145486U 1986-02-19 1986-02-19 Pending JPS61146598U (US20080293856A1-20081127-C00150.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2145486U JPS61146598U (US20080293856A1-20081127-C00150.png) 1986-02-19 1986-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2145486U JPS61146598U (US20080293856A1-20081127-C00150.png) 1986-02-19 1986-02-19

Publications (1)

Publication Number Publication Date
JPS61146598U true JPS61146598U (US20080293856A1-20081127-C00150.png) 1986-09-10

Family

ID=30512864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2145486U Pending JPS61146598U (US20080293856A1-20081127-C00150.png) 1986-02-19 1986-02-19

Country Status (1)

Country Link
JP (1) JPS61146598U (US20080293856A1-20081127-C00150.png)

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