Kuhlmann, John Henry Helwig, 1893–
Nationality: Undetermined, possibly 
(United Kingdom)
Identities and Authority Control
- Open Library: OL2350266A
- pdbooks.info ID: 62823
John Henry Helwig Kuhlmann Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Design of electrical apparatus | 1930 | Author | |  |  | | | 
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