JPS6356799U - - Google Patents

Info

Publication number
JPS6356799U
JPS6356799U JP15112786U JP15112786U JPS6356799U JP S6356799 U JPS6356799 U JP S6356799U JP 15112786 U JP15112786 U JP 15112786U JP 15112786 U JP15112786 U JP 15112786U JP S6356799 U JPS6356799 U JP S6356799U
Authority
JP
Japan
Prior art keywords
lock bolt
borehole
tunnel
mortar
groove
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
JP15112786U
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 JP15112786U priority Critical patent/JPS6356799U/ja
Publication of JPS6356799U publication Critical patent/JPS6356799U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP15112786U 1986-10-01 1986-10-01 Pending JPS6356799U (US06633600-20031014-M00021.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15112786U JPS6356799U (US06633600-20031014-M00021.png) 1986-10-01 1986-10-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15112786U JPS6356799U (US06633600-20031014-M00021.png) 1986-10-01 1986-10-01

Publications (1)

Publication Number Publication Date
JPS6356799U true JPS6356799U (US06633600-20031014-M00021.png) 1988-04-15

Family

ID=31067912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15112786U Pending JPS6356799U (US06633600-20031014-M00021.png) 1986-10-01 1986-10-01

Country Status (1)

Country Link
JP (1) JPS6356799U (US06633600-20031014-M00021.png)

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