离心式通风器 Li xin shi tong feng qi
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Chinese |
| Published: |
北京
电力工业出版社
1957
|
| Edition: | 1 |
| Subjects: |
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | Chinese |
| Published: |
北京
电力工业出版社
1957
|
| Edition: | 1 |
| Subjects: |