Služební poučení pro dělnictvo v hornických závodech pro práce u strojů a u zařízení na povrchu podle § 220 vyhlášky ministerstva průmyslu ze dne 10. července 1948, běž. č. 2391

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---