ZA803379B - Working gem stones - Google Patents

Working gem stones

Info

Publication number
ZA803379B
ZA803379B ZA00803379A ZA803379A ZA803379B ZA 803379 B ZA803379 B ZA 803379B ZA 00803379 A ZA00803379 A ZA 00803379A ZA 803379 A ZA803379 A ZA 803379A ZA 803379 B ZA803379 B ZA 803379B
Authority
ZA
South Africa
Prior art keywords
working
gem stones
gem
stones
working gem
Prior art date
Application number
ZA00803379A
Inventor
M Cooper
D Beal
Original Assignee
Gersan Ets
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 Gersan Ets filed Critical Gersan Ets
Publication of ZA803379B publication Critical patent/ZA803379B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
ZA00803379A 1979-06-08 1980-06-06 Working gem stones ZA803379B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7919970 1979-06-08

Publications (1)

Publication Number Publication Date
ZA803379B true ZA803379B (en) 1981-06-24

Family

ID=10505710

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00803379A ZA803379B (en) 1979-06-08 1980-06-06 Working gem stones

Country Status (5)

Country Link
BE (1) BE883690A (en)
IL (1) IL60228A (en)
IN (1) IN152600B (en)
NL (1) NL189953C (en)
ZA (1) ZA803379B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108995061B (en) * 2018-07-26 2020-09-29 河北光森电子科技有限公司 Semiconductor chip wafer raw material processing system and processing technology thereof

Also Published As

Publication number Publication date
BE883690A (en) 1980-10-01
NL189953C (en) 1993-09-16
NL189953B (en) 1993-04-16
IL60228A (en) 1982-12-31
IN152600B (en) 1984-02-18
NL8003260A (en) 1980-12-10

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