図書

Ultra low frequency electromagnetic fire alarm system for underground mines / by K.E. Hjelmstad and W.H. Pomroy (Report of investigations ; 9377)

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Ultra low frequency electromagnetic fire alarm system for underground mines / by K.E. Hjelmstad and W.H. Pomroy

(Report of investigations ; 9377)

Call No. (NDL)
YCA-I 28.23:9377
Bibliographic ID of National Diet Library
000006571822
Material type
図書
Author
Hjelmstad, Kenneth Eほか
Publisher
-
Publication date
1991
Material Format
Microform
Capacity, size, etc.
microfiche ; 11 × 15 cm
NDC
-
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Notes on use

Note (General):

Distributed to depository libraries in microfichePhysical description for original version: 11 p. : 28 cm

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Microform

Material Type
図書
Publication Date (W3CDTF)
1991
Extent
microfiche
Size
11 × 15 cm
Place of Publication (Country Code)
US
Text Language Code
eng