Category:4V-1
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The 4V-1 planetary probe is a designation for a common design used by early Soviet unmanned probes to Venus.
- 4V-1: Venera 4 (4V-1 No.310), Kosmos 167 (4V-1 No.311)
The 4V-1 planetary probe is a designation for a common design used by early Soviet unmanned probes to Venus.