TW431549U - Improved structure of hole-expanding drill - Google Patents

Improved structure of hole-expanding drill

Info

Publication number
TW431549U
TW431549U TW89213780U TW89213780U TW431549U TW 431549 U TW431549 U TW 431549U TW 89213780 U TW89213780 U TW 89213780U TW 89213780 U TW89213780 U TW 89213780U TW 431549 U TW431549 U TW 431549U
Authority
TW
Taiwan
Prior art keywords
hole
improved structure
expanding drill
drill
expanding
Prior art date
Application number
TW89213780U
Other languages
Chinese (zh)
Inventor
Jin-Yi Li
Original Assignee
Chuan Home Machinery Co Ltd
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 Chuan Home Machinery Co Ltd filed Critical Chuan Home Machinery Co Ltd
Priority to TW89213780U priority Critical patent/TW431549U/en
Publication of TW431549U publication Critical patent/TW431549U/en

Links

TW89213780U 2000-08-09 2000-08-09 Improved structure of hole-expanding drill TW431549U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW89213780U TW431549U (en) 2000-08-09 2000-08-09 Improved structure of hole-expanding drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW89213780U TW431549U (en) 2000-08-09 2000-08-09 Improved structure of hole-expanding drill

Publications (1)

Publication Number Publication Date
TW431549U true TW431549U (en) 2001-04-21

Family

ID=21671398

Family Applications (1)

Application Number Title Priority Date Filing Date
TW89213780U TW431549U (en) 2000-08-09 2000-08-09 Improved structure of hole-expanding drill

Country Status (1)

Country Link
TW (1) TW431549U (en)

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees