TW308609B - - Google Patents

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Publication number
TW308609B
TW308609B TW084105472A TW84105472A TW308609B TW 308609 B TW308609 B TW 308609B TW 084105472 A TW084105472 A TW 084105472A TW 84105472 A TW84105472 A TW 84105472A TW 308609 B TW308609 B TW 308609B
Authority
TW
Taiwan
Prior art keywords
item
gas
furnace
patent application
oxygen
Prior art date
Application number
TW084105472A
Other languages
English (en)
Chinese (zh)
Original Assignee
Mitsubishi Materials Corp
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
Priority claimed from JP6141101A external-priority patent/JP2927181B2/ja
Priority claimed from JP6141122A external-priority patent/JP2927182B2/ja
Priority claimed from JP14110094A external-priority patent/JP2606137B2/ja
Priority claimed from JP06141123A external-priority patent/JP3119414B2/ja
Priority claimed from JP15684294A external-priority patent/JP3230372B2/ja
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Application granted granted Critical
Publication of TW308609B publication Critical patent/TW308609B/zh

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  • Vertical, Hearth, Or Arc Furnaces (AREA)
TW084105472A 1994-05-31 1995-05-30 TW308609B (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP6141101A JP2927181B2 (ja) 1994-05-31 1994-05-31 硬質被覆層がすぐれた層間密着性を有する表面被覆炭化タングステン基超硬合金製切削工具
JP6141122A JP2927182B2 (ja) 1994-05-31 1994-05-31 硬質被覆層がすぐれた層間密着性を有する表面被覆炭化タングステン基超硬合金製切削工具
JP14110094A JP2606137B2 (ja) 1994-05-31 1994-05-31 硬質被覆層がすぐれた層間密着性を有する表面被覆炭化タングステン基超硬合金製切削工具
JP06141123A JP3119414B2 (ja) 1994-05-31 1994-05-31 硬質被覆層がすぐれた層間密着性を有する表面被覆炭化タングステン基超硬合金製切削工具
JP15684294A JP3230372B2 (ja) 1994-06-15 1994-06-15 硬質被覆層がすぐれた層間密着性および耐欠損性を有する表面被覆炭化タングステン基超硬合金製切削工具

Publications (1)

Publication Number Publication Date
TW308609B true TW308609B (ja) 1997-06-21

Family

ID=51566206

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084105472A TW308609B (ja) 1994-05-31 1995-05-30

Country Status (1)

Country Link
TW (1) TW308609B (ja)

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees